Synonyms|223Antonyms|0|Broader|4Narrower|152Related|46
2
Ne
2
O
2
Rn
2
Se
2
Xe
2
argon
2
argonon
2
astatine
2
atomic number 1
2
atomic number 10
2
atomic number 18
2
atomic number 2
2
atomic number 34
2
atomic number 35
2
atomic number 36
2
atomic number 53
2
atomic number 54
2
atomic number 7
2
atomic number 8
2
atomic number 85
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APASmart Define. (2015). chemical element thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/chemical_element/thesaurus/narrower
ChicagoSmart Define. 2015. "chemical element thesaurus" https://smartdefine.org/chemical_element/thesaurus/narrower (accessed September 25, 2026).
HarvardSmart Define 2015, chemical element thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/chemical_element/thesaurus/narrower>.
MLASmart Define. "chemical element thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/chemical_element/thesaurus/narrower>